﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace WindowsFormsApp2
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
    
            var sql = string.Format("select * from Users where Username='{0}'and Password='{1}'", textBox1.Text, textBox2.Text);
            var dt = DbHelper.GetDataTable(sql);
            if (dt.Rows.Count == 1)
            {
                MessageBox.Show("登录成功！！！");
                MainForm mainForm = new MainForm();
                this.Hide();
                mainForm.Show();
            }
            else
            {
                MessageBox.Show("登录失败");
            }
        }
            private void Form1_Load(object sender, EventArgs e)
            {


            }

        private void button2_Click(object sender, EventArgs e)
        {
            RegisterForm registerForm = new RegisterForm();
            this.Hide();
            registerForm.Show();
        }
    }
    
}



